DIY Network

How to Expand a Trapdoor for Installing Stairs

Begin a trapdoor construction process by framing out the trapdoor opening to make space for the stairs. These step-by-step instructions demonstrate how to complete the process of opening a trapdoor.

More in Remodeling


  • respirator
  • galvanized lag screws
  • shims
  • modular porch system kit
  • 2x6 boards


  • push broom
  • shop vacuum
  • utility knife
  • impulse nailer
  • reciprocating saw
  • circular saw
  • jigsaw
  • hammer
  • pry bar
  • safety glasses
  • drywall jab saw